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Thursday, May 26, 2011

Deck refinishing, entranceway rejuvenation

This was a small job, a deck surface of mahogany, painted rails and columns. The deck finish had worn away, the wood had a gray coloration, and the paint was peeling. The information written below is a general outline of what to do when preparing a deck for refinishing.
The deck boards were sanded with 80 grit.

 Sanding the wood deck boards and handrail is essential for a proper refinishing job after washing the deck. More often than not, power washing is not necessary. Power washers can cut into the wood, open the grain to much and drive water deep into the wood. Use a stiff bristle brush with TSP or an eco-friendly cleaner. Sanding removes raised wood fibers from washing and opens the pores of the wood to assist in the soaking of stain or sealer. Make sure to protect plants, shrubs and patios near the deck.
The painted surfaces were sanded and prepared for painting.


Unlike sanding furniture smoother is not always better when sanding an exterior deck surface. For sanding a deck floor board surface, use a sanding grit of about 60 to 80. For sanding a handrail, use a grit of 80 to 100. Do not use higher than 100 grit. Higher grits of sandpaper will smooth the wood too much begin to close down the pores and may reduce the absorption of the stain or sealer into the wood pores. Use medium pressure on the hand sander checking for evenness of appearance as you go.

Sanding the outer edges of the deck board and underside of hand rails, may be a little difficult depending on your deck design. Just be sure to get the boards consistently sanded, even if you have to get some areas by hand. Even sanding will help ensure even stain absorption and a better looking end product.

Sanding the handrail of your deck is very important and is where people gage the smoothness of your sanding job. Make sure to sand the top, edges and bottom of the top handrail because all edges are touched and will be prone to splintering if not sanded. Again, use 80 to 100 grit sandpaper for the handrail but try not to go higher than that or you may limit the absorption of the stain or sealer in to the wood. This information also pertains to wooden bench surfaces.

When staining a deck, choose the right product. Oil based products or latex products. Each deck is different, and, a major determining factor is sunlight. UV rays destroy a deck finish and direct sunlight dries the wood. Today, many of the latex products are as good as oil based products.
The deck was stained with Bison Brown, oil based stain.
The stained was brushed on then wiped with lint free cloths.

Make sure to get the corners of all underside areas and places you cannot easily see. These areas will become very visible from the outside of the deck area especially if you have an elevated deck. This attention to detail is all part of doing a good job and it's much easier now, than touching up after the project is done.

The columns, railings and doorway were painted with Benjamin Moore,
 MooreGard Acrylic Low Lustre exterior paint.

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